16544211540 has 48 divisors (see below), whose sum is σ = 46350967488. Its totient is φ = 4409201664.

The previous prime is 16544211527. The next prime is 16544211583. The reversal of 16544211540 is 4511244561.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23364 + ... + 183396.

It is an arithmetic number, because the mean of its divisors is an integer number (965645156).

Almost surely, 2^16544211540 is an apocalyptic number.

16544211540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16544211540 is an abundant number, since it is smaller than the sum of its proper divisors (29806755948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16544211540 is a wasteful number, since it uses less digits than its factorization.

16544211540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161768 (or 161766 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The spelling of 16544211540 in words is "sixteen billion, five hundred forty-four million, two hundred eleven thousand, five hundred forty".